.project_list li{
    width: 150px;
    float: left;
    min-height: 40px;
    overflow: hidden;
    padding: 5px;
}
.project_list li:hover{
    background-color: #e9e9e9;
}
.project_list{
    padding-top: 15px;
}
.project_list li h3 span{
    font-size: 12px;
}